Aerial photo taken on March 11, 2019 shows students practicing Zhaquan, a form of Chinese martial arts during the class break at Dahuoquan Primary School in Qiaoxi District of Xingtai City, north China's Hebei Province. Chinese traditional martial art has been promoted in schools of Xingtai City as a sports program in a bid to preserve the traditional culture and improve students' physical fitness. (Xinhua/Zhang Chi)